Question

گرد و غبار زیادی بر ظروف نشسته بود به انگلیسی چی میشه؟

Answer 1

Since there has been much dust, we might say this ,too: 

The dishes were covered/ coated with/in a thick layer of dust. 

 

Comments

Good +

Answer 2

They were covered in dust

 

 

Answer 3

A lot of dust had laid on the dishes.

(Lay is normally used with dust.)

Mr Rahimi's answer is also correct +1.